Hi all, i am new to photography and looking for lots of info 
At present i have a Canon 400d with kit lens, a Canon ef28-105 f/4-5.6 lens and a sigma 70-300 f4-5.6 APO DG lens. I like landscapes and am trying to get into wildlife and sports pics. The question is what should i buy next ?? loking to spend up to about £200. Thanks Barry.

At present i have a Canon 400d with kit lens, a Canon ef28-105 f/4-5.6 lens and a sigma 70-300 f4-5.6 APO DG lens. I like landscapes and am trying to get into wildlife and sports pics. The question is what should i buy next ?? loking to spend up to about £200. Thanks Barry.
for tri-pod.